<?php
/*
 * CKFinder
 * ========
 * http://ckfinder.com
 * Copyright (C) 2007-2011, CKSource - Frederico Knabben. All rights reserved.
 *
 * The software, this file and its contents are subject to the CKFinder
 * License. Please read the license.txt file before using, installing, copying,
 * modifying or distribute this file or part of its contents. The contents of
 * this file is part of the Source Code of CKFinder.
 */
if (!defined('IN_CKFINDER')) exit;

/**
 * @package CKFinder
 * @subpackage CommandHandlers
 * @copyright CKSource - Frederico Knabben
 */

/**
 * Include base XML command handler
 */
require_once CKFINDER_CONNECTOR_LIB_DIR . "/CommandHandler/XmlCommandHandlerBase.php";

/**
 * Handle DeleteFolder command
 *
 * @package CKFinder
 * @subpackage CommandHandlers
 * @copyright CKSource - Frederico Knabben
 */
class CKFinder_Connector_CommandHandler_DeleteFolder extends CKFinder_Connector_CommandHandler_XmlCommandHandlerBase
{
	/**
	 * Command name
	 *
	 * @access private
	 * @var string
	 */
	private $command = "DeleteFolder";


	/**
	 * handle request and build XML
	 * @access protected
	 *
	 */
	protected function buildXml()
	{
		if (empty($_POST['CKFinderCommand']) || $_POST['CKFinderCommand'] != 'true') {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_REQUEST);
		}

		if (!$this->_currentFolder->checkAcl(CKFINDER_CONNECTOR_ACL_FOLDER_DELETE)) {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_UNAUTHORIZED);
		}

		// The root folder cannot be deleted.
		if ($this->_currentFolder->getClientPath() == "/") {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_INVALID_REQUEST);
		}

		$folderServerPath = $this->_currentFolder->getServerPath();
		if (!file_exists($folderServerPath) || !is_dir($folderServerPath)) {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_FOLDER_NOT_FOUND);
		}

		if (!CKFinder_Connector_Utils_FileSystem::unlink($folderServerPath)) {
			$this->_errorHandler->throwError(CKFINDER_CONNECTOR_ERROR_ACCESS_DENIED);
		}

		CKFinder_Connector_Utils_FileSystem::unlink($this->_currentFolder->getThumbsServerPath());
	}
}
